Ceiling lamp



FIG. 1 is a front and right side isometric view of a ceiling lamp;

FIG. 2 is a rear and left side isometric view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a right-side elevation view thereof, the left-side view being a mirror image of the right-side view;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The drawings include surface shading that represents contour and not surface ornamentation.

The broken lines in the drawings depict parts of the article that form no part of the claimed design. 

CLAIM The ornamental design for a ceiling lamp, as shown and described. 